One America News reports that according to a John Hopkins University Study, Plastic Barriers set up during the COVID Pandemic are ineffective at preventing the spread of COVID and actually could’ve led to more infections due to the disruption of natural ventilation causing air stagnation. OAN reported
One way to think about plastic barriers is that they are good for blocking things like spitballs but ineffective for things like cigarette smoke,” Dr. Linsey Marr, a professor of civil and environmental engineering at Virginia Tech and one of the world’s leading experts on viral transmission.
“The smoke simply drifts around them, so they will give the person on the other side a little more time before being exposed to the smoke. Meanwhile, people on the same side with the smoker will be exposed to more smoke, since the barriers trap it on that side until it has a chance to mix throughout the space.”
https://www.oann.com/plastic-barriers-ineffective-in-stopping-spread-of-covid-19/
Not just cigarette smoke but all outgassed air including CO2. This leads to higher CO2 concentrations trapped behind the plastic barriers leading to lowered cognitive ability. Being force to take a cognitive assessments behind these plastic barriers, especially while being forced to wear a mask will lead to an artificially low score. Any psychologist that conducts these assessments in these environments should be subject to malpractice.
This was also covered in the New York Times https://www.nytimes.com/2021/08/19/well/live/coronavirus-restaurants-classrooms-salons.html and Breitbart https://www.breitbart.com/science/2021/08/20/report-plastic-barriers-ineffective-against-coronavirus-possibly-making-spread-worse/
Another John Hopkins Study that came out January 2022 against COVID provisions not condemned the locksdowns as ineffective against slowing the spread. but also showed that the lockdowns had devastating effects on the economy as well as contributed to numerous social ills. https://www.washingtontimes.com/news/2022/jan/31/lockdowns-had-little-or-no-impact-covid-19-deaths-/